polyhedron

Its components include images and imagination while its presentation is brought about in its various levels and different aspects.

就展现说,则包含意境的层深与多面两个因素。

Research of Measuring Polygon with Three-Position Comparing Method on Index Table with Serrated Teeth;

在多齿分度台上用三位置比较法检定多面棱体的研究

A discussion is presented on the error compensation of the reflecting planes of polygons in accurate angular measurement using autocollimator and polygons.

讨论了利用多面棱体和自准直仪进行精密角度检定时多面棱体工作面偏差的补偿问题,给出了工作面偏差补偿符号的判定方法。

The small angles realization method of differentiating two different indexing tables,between an indexing table and a polygon,is expounded.

介绍了目前常使用的正多面棱体和多齿分度台 ,阐述了它们之间如何实现基准小角度的方法 ,最后介绍了一个用 2 3面棱体和 36 0齿盘差分出小角度 1°/ 2 3,测量感应同步器的测角系统每 1°内 2 3点的角位置误差的方